4-Chloro-3,5-dinitrobenzenesulfonic acid CAS 88-91-5
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 88-91-5 |
| Molecular Formula | C6H3ClN2O7S |
| Molecular Weight | 282.62 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Order 4-Chloro-3,5-dinitrobenzenesulfonic acid (CAS 88-91-5) pharmaceutical standards reference standard from CATO: ISO 17034 accredited producer, 130,000+ catalog items in stock. Molecular formula: C6H3ClN2O7S. Molecular weight: 282.62 g/mol. COA included with every batch.
Physical & Chemical Properties
| Molecular Formula | C6H3ClN2O7S |
| Molecular Weight | 282.62 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO, water |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 6.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1957 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 2 |
| Sulfur Atoms | 1 |
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Recommended Standards
- 1,1,1-Trifluoro-4-(4-chloro-2-fluoro-5-methylphenyl)-2,4-butanedione (CAS 177211-21-1)
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- 3,5-Bis(trifluoromethyl)benzoyl chloride 3,5-bis(trifluoromethyl)benzoylchloride 3,5-bis(trifluoromethyl)- benzoyl chloride 3,5-bis-trifluoromethylbenzoyl chloride 3,5-di(trifluoromethyl)benzoyl chloride 3,5-bis(trifluoromethyl) benzoyl chloride 785-56-8 (CAS 785-56-8)
- Methyl 4-chlorobutanimidate hydrochloride (CAS 77570-15-1)
- Ethyl 6-methyl-2-(3-(trifluoromethyl)benzamido)-4,5,6,7-tetrahydrothieno[2,3-c]pyridine-3-carboxylate hydrochloride (CAS 1216397-02-2)
- Rebamipide impurity 20 (CAS 1205-74-9)
- Methyl 4-bromo-3-methyl-5-nitrobenzoate (CAS 412944-46-8)
- 2-([1,1'-Biphenyl]-4-yloxy)-N-(3-(trifluoromethyl)phenyl)acetamide (CAS 302551-12-8)
- As、Se、Bi、Sb in water quality (CAS CATO-CQCM102201)
- (Gly1,Ser3·22,Gln?·3?,Thr?,Arg1?,Tyr21,Ala23·31,Aib32)-Pancreatic Polypeptide (human) (CAS 313988-89-5)
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